Chapter 12 : General Wave Properties II : Sound

Question 1

qns

what kind of wave are sound waves?

Answer 1

longitudinal wave consisting of compressions and rarefactions caused by fluctuating electric current ( loudspeaker ). its forwards and backwards movement is passed on the air particles

Question 2

12.1

can sound waves travel through vacuum?

Answer 2

since sound waves is a wave that relies on the passing on of motion from a group of molecules to another through collisions, therefore